Ultrafast electric field induced nonlinear response in ZnSe/ZnSeS superlattices
We report the observation of an ultrafast optical nonlinearity in ZnSe/ZnSeS superlattices which arises from the generation of an internal field due to charge separation caused by preferential hole trapping. The absorption recovery is extremely fast, ∼ 650 fs, being due to the subsequent localisatio...
Main Authors: | Stevens, C, Dabbicco, M, Taylor, R, Ryan, J |
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Format: | Journal article |
Language: | English |
Published: |
1996
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